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vulkan: fill buffer with initial data if supplied

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niki
2022-09-21 14:03:06 +02:00
parent 26ec23f4ba
commit 503b17a5fc
2 changed files with 14 additions and 2 deletions
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src/modules/graphics/vulkan/Buffer.cpp
+10 -2
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@@ -59,6 +59,7 @@ Buffer::Buffer(love::graphics::Graphics *gfx, const Settings &settings, const st
, usageFlags(settings.usageFlags)
, vgfx(dynamic_cast<Graphics*>(gfx))
, zeroInitialize(settings.zeroInitialize)
, initialData(data)
{
loadVolatile();
}
@@ -86,6 +87,9 @@ bool Buffer::loadVolatile()
if (zeroInitialize)
vkCmdFillBuffer(vgfx->getCommandBufferForDataTransfer(), buffer, 0, VK_WHOLE_SIZE, 0);
if (initialData)
fill(0, size, initialData);
if (usageFlags & BUFFERUSAGEFLAG_TEXEL)
{
VkBufferViewCreateInfo bufferViewInfo{};
@@ -156,6 +160,8 @@ void *Buffer::map(MapType map, size_t offset, size_t size)
if (vmaCreateBuffer(allocator, &bufferInfo, &allocInfo, &stagingBuffer, &stagingAllocation, &stagingAllocInfo) != VK_SUCCESS)
throw love::Exception("failed to create staging buffer");
mappedRange = Range(offset, size);
return stagingAllocInfo.pMappedData;
}
}
@@ -188,7 +194,8 @@ bool Buffer::fill(size_t offset, size_t size, const void *data)
memcpy(fillAllocInfo.pMappedData, data, size);
VkBufferCopy bufferCopy{};
bufferCopy.srcOffset = offset;
bufferCopy.srcOffset = 0;
bufferCopy.dstOffset = offset;
bufferCopy.size = size;
vkCmdCopyBuffer(vgfx->getCommandBufferForDataTransfer(), fillBuffer, buffer, 1, &bufferCopy);
@@ -205,7 +212,8 @@ void Buffer::unmap(size_t usedoffset, size_t usedsize)
if (dataUsage != BUFFERDATAUSAGE_READBACK)
{
VkBufferCopy bufferCopy{};
bufferCopy.srcOffset = usedoffset;
bufferCopy.srcOffset = usedoffset - mappedRange.getOffset();
bufferCopy.dstOffset = usedoffset;
bufferCopy.size = usedsize;
vkCmdCopyBuffer(vgfx->getCommandBufferForDataTransfer(), stagingBuffer, buffer, 1, &bufferCopy);